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We can produce DHD series Down the hole hammer, high pressure type
DHD3.5 down the hole hammer is a kind of 3.5 inch hammer, high pressure
Product | Thread connection | Outer Diameter | Recommend Hole diameter | Working pressure | Length without bit | Weight |
mm | mm | Mpa | Mm | KGS | ||
DHD3.5 | API 2 3/8” REG PIN | 80 | 90~125 | 0.6~2.1 | 990 | 27 |
DHD340 | API 2 3/8” REG PIN | 98 | 105~115 | 0.9~2.1 | 1045 | 38 |
DHD350 | API 2 3/8” or API 3 1/2” REG PIN | 124 | 135~152 | 1.2~2.2 | 1214 | 57 |
DHD360 | API 3 1/2” REG PIN | 142 | 152~165 | 1.2~2.4 | 1300 | 98 |
DHD380 | API 4 1/2” REG PIN | 183.7 | 199~216 | 1.3~2.5 | 1522 | 190 |
DHD112 | API 6 5/8” REG PIN | 274.3 | 309~318 | 1.6~2.5 | 1938 | 675 |
DHD3.5 Down the hole hammer